Large Capacity, Support 42mins Flight TimeAutel Robotics EVO Max 4T Battery has large 8070mAh capacity, supporting 42 minutes flight time for you. 2023 Newest Battery Hot-SwappableAutel Robotics EVO Max 4T Battery has 2023 the newest function of hot-swappable, which allows the drone to change its battery easily while it is in operation to extend flight time, providing more fluently and longer work time for you. Note: This feature will be available in a future update. Advanced Battery Self-HeatingAutel Robotics EVO Max 4T Battery enables battery self-heating. When its in the low-temperature environment that below 10°, the drone will turn on the function of battery self-heating to save power and provide longer flight time. Extremely LightweightAutel Robotics EVO Max 4T Battery is lightweight, only 520g. Its very easy to carry on any adventures, such as camping, road trip, travel and other adventures, allowing you to capture and create moments wherever you go.